package com.sofwin.util;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.security.MessageDigest;
import java.util.HashMap;
import java.util.Map;

public class LogisticUtil {
	//电商ID
			public static String EBusinessID="1554100";
			//电商加密私钥，快递鸟提供，注意保管，不要泄漏
			public static String AppKey="e58d21c8-7538-48a4-96b7-8425a7128d23";
			//测试请求url
			public static String ReqURL = "http://api.kdniao.com/Ebusiness/EbusinessOrderHandle.aspx";
			//正式请求url
			//private String ReqURL = "http://api.kdniao.com/api/dist";

	public static void main(String[] args) throws Exception {
		LogisticUtil util = new LogisticUtil();
		String code="HTKY";
		String LogisticCode="550007196308732";
		StringBuilder builder = new StringBuilder();
		builder.append("{'OrderCode':'',");
		builder.append("'ShipperCode':'"+code+"',");
		builder.append("'LogisticCode':'"+LogisticCode+"'");
		builder.append("}");
		System.out.println(builder.toString());
		Map<String,String> param = new HashMap<String,String>();
		param.put("RequestData",util.urlEncoder(builder.toString(), "UTF-8"));
		param.put("EBusinessID", EBusinessID);
		param.put("RequestType", "1002");
		String str = util.encrypt(builder.toString(), AppKey, "UTF-8");
		param.put("DataSign", util.urlEncoder(str,"utf-8"));
		param.put("DataType", "2");
		String result = util.sendPost(ReqURL, param);
		System.out.println(result);
	}
	
	
		/**
	     * MD5加密
	     * @param str 内容       
	     * @param charset 编码方式
		 * @throws Exception 
	     */
		@SuppressWarnings("unused")
		private String MD5(String str, String charset) throws Exception {
		    MessageDigest md = MessageDigest.getInstance("MD5");
		    md.update(str.getBytes(charset));
		    byte[] result = md.digest();
		    StringBuffer sb = new StringBuffer(32);
		    for (int i = 0; i < result.length; i++) {
		        int val = result[i] & 0xff;
		        if (val <= 0xf) {
		            sb.append("0");
		        }
		        sb.append(Integer.toHexString(val));
		    }
		    return sb.toString().toLowerCase();
		}
		
		/**
	     * base64编码
	     * @param str 内容       
	     * @param charset 编码方式
		 * @throws UnsupportedEncodingException 
	     */
		private String base64(String str, String charset) throws UnsupportedEncodingException{
			String encoded = base64Encode(str.getBytes(charset));
			return encoded;    
		}	
		
		@SuppressWarnings("unused")
		private String urlEncoder(String str, String charset) throws UnsupportedEncodingException{
			String result = URLEncoder.encode(str, charset);
			return result;
		}
		
		/**
	     * 电商Sign签名生成
	     * @param content 内容   
	     * @param keyValue Appkey  
	     * @param charset 编码方式
		 * @throws UnsupportedEncodingException ,Exception
		 * @return DataSign签名
	     */
		@SuppressWarnings("unused")
		private String encrypt (String content, String keyValue, String charset) throws UnsupportedEncodingException, Exception
		{
			if (keyValue != null)
			{
				return base64(MD5(content + keyValue, charset), charset);
			}
			return base64(MD5(content, charset), charset);
		}
		
		 /**
	     * 向指定 URL 发送POST方法的请求     
	     * @param url 发送请求的 URL    
	     * @param params 请求的参数集合     
	     * @return 远程资源的响应结果
	     */
		@SuppressWarnings("unused")
		private String sendPost(String url, Map<String, String> params) {
	        OutputStreamWriter out = null;
	        BufferedReader in = null;        
	        StringBuilder result = new StringBuilder(); 
	        try {
	            URL realUrl = new URL(url);
	            HttpURLConnection conn =(HttpURLConnection) realUrl.openConnection();
	            // 发送POST请求必须设置如下两行
	            conn.setDoOutput(true);
	            conn.setDoInput(true);
	            // POST方法
	            conn.setRequestMethod("POST");
	            // 设置通用的请求属性
	            conn.setRequestProperty("accept", "*/*");
	            conn.setRequestProperty("connection", "Keep-Alive");
	            conn.setRequestProperty("user-agent",
	                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
	            conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
	            conn.connect();
	            // 获取URLConnection对象对应的输出流
	            out = new OutputStreamWriter(conn.getOutputStream(), "UTF-8");
	            // 发送请求参数            
	            if (params != null) {
			          StringBuilder param = new StringBuilder(); 
			          for (Map.Entry<String, String> entry : params.entrySet()) {
			        	  if(param.length()>0){
			        		  param.append("&");
			        	  }	        	  
			        	  param.append(entry.getKey());
			        	  param.append("=");
			        	  param.append(entry.getValue());		        	  
			        	  System.out.println(entry.getKey()+":"+entry.getValue());
			          }
			          System.out.println("param:"+param.toString());
			          out.write(param.toString());
	            }
	            // flush输出流的缓冲
	            out.flush();
	            // 定义BufferedReader输入流来读取URL的响应
	            in = new BufferedReader(
	                    new InputStreamReader(conn.getInputStream(), "UTF-8"));
	            String line;
	            while ((line = in.readLine()) != null) {
	                result.append(line);
	            }
	        } catch (Exception e) {            
	            e.printStackTrace();
	        }
	        //使用finally块来关闭输出流、输入流
	        finally{
	            try{
	                if(out!=null){
	                    out.close();
	                }
	                if(in!=null){
	                    in.close();
	                }
	            }
	            catch(IOException ex){
	                ex.printStackTrace();
	            }
	        }
	        return result.toString();
	    }
		
	    private static char[] base64EncodeChars = new char[] { 
	            'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 
	            'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 
	            'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 
	            'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 
	            'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 
	            'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 
	            'w', 'x', 'y', 'z', '0', '1', '2', '3', 
	            '4', '5', '6', '7', '8', '9', '+', '/' }; 
	    	
	    public static String base64Encode(byte[] data) { 
	        StringBuffer sb = new StringBuffer(); 
	        int len = data.length; 
	        int i = 0; 
	        int b1, b2, b3; 
	        while (i < len) { 
	            b1 = data[i++] & 0xff; 
	            if (i == len) 
	            { 
	                sb.append(base64EncodeChars[b1 >>> 2]); 
	                sb.append(base64EncodeChars[(b1 & 0x3) << 4]); 
	                sb.append("=="); 
	                break; 
	            } 
	            b2 = data[i++] & 0xff; 
	            if (i == len) 
	            { 
	                sb.append(base64EncodeChars[b1 >>> 2]); 
	                sb.append(base64EncodeChars[((b1 & 0x03) << 4) | ((b2 & 0xf0) >>> 4)]); 
	                sb.append(base64EncodeChars[(b2 & 0x0f) << 2]); 
	                sb.append("="); 
	                break; 
	            } 
	            b3 = data[i++] & 0xff; 
	            sb.append(base64EncodeChars[b1 >>> 2]); 
	            sb.append(base64EncodeChars[((b1 & 0x03) << 4) | ((b2 & 0xf0) >>> 4)]); 
	            sb.append(base64EncodeChars[((b2 & 0x0f) << 2) | ((b3 & 0xc0) >>> 6)]); 
	            sb.append(base64EncodeChars[b3 & 0x3f]); 
	        } 
	        return sb.toString(); 
	    }
}
